Class _StubEvent

tests/lib/tools/test_session_runner.py:65–72

Stand-in for the various session event types — only the fields the runner reads are populated.

class _StubEvent:
    """Stand-in for the various session event types — only the fields the
    runner reads are populated."""

    def __init__(self, type: str, **kw: Any) -> None:
        self.type = type
        for k, v in kw.items():
            setattr(self, k, v)


def _tool_use(